package com.atguigu.servlet;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class HelloFilter implements Filter {

	

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		
		response.getWriter().print("------hello!!!");
		chain.doFilter(request, response);
		response.getWriter().print(":::::GGGGhello!!!--------------");
	}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		System.out.println("-----------init()--------------");
		
	}

	@Override
	public void destroy() {
		System.out.println("-----------destroy()--------------");
		
	}

	

}
